Journal
GREEN CHEMISTRY
Volume 14, Issue 5, Pages 1293-1297Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2gc35118h
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Funding
- MENRT
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Rose Bengal, a dye sensitizer, was found to be active as a visible light photoredox catalyst for the direct enantioselective alpha-alkylation of aldehydes in environmentally benign and simple conditions. Starting from a SOMO converse mechanism, the catalytic activity of the imidazolidinone organocatalyst was improved using an electrophilic cocatalyst. The resulting methodology and optimal conditions led to efficient and transition-metal-free direct photoredox organocatalysis.
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